Github user shubhamchopra commented on a diff in the pull request:
https://github.com/apache/spark/pull/14412#discussion_r101847693
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -1131,14 +1131,43 @@ private[spark] class BlockManager(
}
/**
+ * Called for pro-active replenishment of blocks lost due to executor
failures
+ *
+ * @param blockId blockId being replicate
+ * @param existingReplicas existing block managers that have a replica
+ * @param maxReplicas maximum replicas needed
+ * @return
+ */
+ def replicateBlock(
+ blockId: BlockId,
+ existingReplicas: Set[BlockManagerId],
+ maxReplicas: Int): Unit = {
+ logInfo(s"Pro-actively replicating $blockId")
+ val infoForReplication = blockInfoManager.lockForReading(blockId).map
{ info =>
+ val data = doGetLocalBytes(blockId, info)
+ val storageLevel = StorageLevel(
+ info.level.useDisk,
--- End diff --
Done
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